Pojo.kt
/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package androidx.room.vo
import androidx.room.compiler.processing.XType
import androidx.room.compiler.processing.XTypeElement
import androidx.room.processor.DatabaseViewProcessor
import androidx.room.processor.EntityProcessor
import com.squareup.javapoet.TypeName
/**
* A class is turned into a Pojo if it is used in a query response.
*/
open class Pojo(
val element: XTypeElement,
val type: XType,
fields: List<Field>,
val embeddedFields: List<EmbeddedField>,
val relations: List<Relation>,
val constructor: Constructor? = null
) : HasFields {
val typeName: TypeName by lazy { type.typeName }
override val fields = Fields(fields)
/**
* All table or view names that are somehow accessed by this Pojo.
* Might be via Embedded or Relation.
*/
fun accessedTableNames(): List<String> {
val entityAnnotation = element.getAnnotation(androidx.room.Entity::class)
return if (entityAnnotation != null) {
listOf(EntityProcessor.extractTableName(element, entityAnnotation.value))
} else {
val viewAnnotation = element.getAnnotation(androidx.room.DatabaseView::class)
if (viewAnnotation != null) {
listOf(DatabaseViewProcessor.extractViewName(element, viewAnnotation.value))
} else {
emptyList()
} + embeddedFields.flatMap {
it.pojo.accessedTableNames()
} + relations.map {
it.entity.tableName
}
}
}
}